On April 20, 1999, in the small suburban town of Littleton, Colorado, two high-school seniors, Dylan Klebold and Eric Harris, assaulted Columbine high school. They intended to slaughter hundreds of their fellow classmates.
This event shocked the nation but it was not the first time this type of plan had been made...

Nine years earlier a student in Massachusetts named James Ballum suffered a brutal beating at his high school. His tormentors walked away clean while James was suddenly expelled. This injustice drove him to a homocidal conclusion.